Mary Fiennes (died 1676) (1650–1676) Parents Richard Fiennes Margaret Burrell Children Nathaniel Fiennes, 4th Viscount Saye and Sele Siblings unknown daughter Fiennes unknown daughter Fiennes Pharamus Fiennes Richard Fiennes unknown daughter Fiennes unknown daughter Fiennes unknown daughter Fiennes unknown daughter Fiennes unknown daughter Fiennes unknown daughter Fiennes William Fiennes Partners William Fiennes, 3rd Viscount Saye and Sele